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| author | Jian Cai <jiancai@google.com> | 2021-03-01 15:03:42 -0800 |
|---|---|---|
| committer | Jian Cai <jiancai@google.com> | 2021-03-01 17:41:35 -0800 |
| commit | c35105055ee4565ee6726d5b155538dd5c0307d3 (patch) | |
| tree | 10c4683f37d872299cf88d1ac0da8ea60ccfe871 /clang/lib/Frontend/CompilerInvocation.cpp | |
| parent | b17d46430fce665d23661e23ade3ca57c3791836 (diff) | |
| download | llvm-c35105055ee4565ee6726d5b155538dd5c0307d3.zip llvm-c35105055ee4565ee6726d5b155538dd5c0307d3.tar.gz llvm-c35105055ee4565ee6726d5b155538dd5c0307d3.tar.bz2 | |
[ARM] support symbolic expressions as branch target in b.w
Currently ARM backend validates the range of branch targets before the
layout of fragments is finalized. This causes build failure if symbolic
expressions are used, with the exception of a single symbolic value.
For example, "b.w ." works but "b.w . + 2" currently fails to
assemble. This fixes the issue by delaying this check (in
ARMAsmParser::validateInstruction) of b.w instructions until the symbol
expressions are resolved (in ARMAsmBackend::adjustFixupValue).
Link:
https://github.com/ClangBuiltLinux/linux/issues/1286
Reviewed By: MaskRay
Differential Revision: https://reviews.llvm.org/D97568
Diffstat (limited to 'clang/lib/Frontend/CompilerInvocation.cpp')
0 files changed, 0 insertions, 0 deletions